The Collaborative International Dictionary
Gyronny
Gyronny \Gy"ron*ny\ (j[imac]"r[o^]n*n[y^]), a. [F. gironn['e].] (Her.) Covered with gyrons, or divided so as to form several gyrons; -- said of an escutcheon.
Wiktionary
gyronny
a. (context heraldry of an escutcheon English) Covered with gyrons, or divided into several gyrons.